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                        /Python開發(fā)簡單爬蟲

請大家看一下代碼哪里錯了

# -*- coding: UTF-8 -*-
from bs4 import BeautifulSoup
html_doc = """
<html><head><title>The Dormouse's story</title></head>
<body>
The Dormouse's story

Once upon a time there were three little sisters; and their names were
<a class="sister" id="link1">Elsie</a>,
<a href=html_doc = """
<html><head><title>The Dormouse's story</title></head>
<body>
The Dormouse's story

Once upon a time there were three little sisters; and their names were
<a class="sister" id="link1">Elsie</a>,
<a class="sister" id="link2">Lacie</a> and
<a class="sister" id="link3">Tillie</a>;
and they lived at the bottom of a well.

...
""" class="sister" id="link2">Lacie</a> and
<a class="sister" id="link3">Tillie</a>;
and they lived at the bottom of a well.

...
"""
soup=BeautifulSoup(html_doc,'html.parser', from_encoding='utf-8')

print "獲取所有鏈接"
links=soup.find_all('a')
for link in links:
? ?print link.name,link['href'],link.get_text()

print"獲得Lacie的鏈接"
links_node=soup.find('a',)
print links_node.name,links_node['href'],links_node.get_text()

print "正則匹配"
import re
link_node=soup.find('a',href=re.compile(r"ill"))
print link_node.name,link_node['href'],link_node.get_text()

print "p"
p_node=soup.find('p',class_="title")
print p_node.name,p_node.get_text()